baber/WOPTO huggingface dataset:
Patent GB-1291604-A (GB)
Title: Improvements in and relating to the manufacture of garden spades, shovels and forks
Inventor: PERCIVAL-BARKER KEITH
IPC: B21D53/70
Filed: 1969-02-25
Abstract: 1291604 Making spades, shovels and forks K PERCIVAL-BARKER 11 Feb 1970 [25 Feb 1969] 10050/69 Heading B3A A method of making garden spades, shovels and forks comprises; preforming a handle part 1 from a cropped bar by a hot or cold forging process or alternatively making same as a casting; drawing or spinning a part of the component 1 to form a hollow tubular handle 2 having a tang 3 at one end; and upsetting the latter to form a blade-like part which constitutes or is further manipulated to form the blade of a spade or shovel or the prongs of a fork. In a modification of the above method the whole of the component 1 is drawn to form a tubular handle 8 and a separate block of metal 9 is formed into a blade-like part which is welded to the tubular handle. The blade-like part is then manipulated to form the blade of a spade or shovel or the prongs of a fork.
Patent GB-338841-A (GB)
Title: Improved means for attaching chains to handles
IPC: E03D5/02
Filed: 1930-03-29
Abstract: 338,841. Thomas, J. March 29, 1930. Addition to 273,164. End handles.-The device for attaching chains to handles described in the parent Specification is modified by using a link member in place of the knot of string. The chain 5 is threaded through the handle 1 and the link member 6 attached; on exerting a pull on the handle the link member is drawn up the bore of the handle and wedged in the conical portion 4.
Patent GB-473140-A (GB)
Title: Improvements in or relating to electro-magnetically operated valves
IPC: F16K31/10
Filed: 1936-04-06
Abstract: 473,140. Electrically-operated valves. LAUNDRY AUTOMATIC APPLIANCES, Ltd., and RIBBANS, S. H. April 6, 1936, No. 10101. [Class 135] Valve apparatus for controlling the fluid pressure supply to a power piston or the like comprises a lever 32 pivoted between its ends on a body member or bracket 1 having an inlet valve 8 and an exhaust valve 24 opened alternately by the opposite ends of the lever and an electromagnet 36 having an armature 35 attached to the lever 32 to impart a rocking movement thereto. The arm of the lever with the armature attached thereto is the heavier so that the exhaust valve remains open when the magnet is de-energized. The bracket 1 is formed integrally with the casings 2, 3 of the inlet and exhaust valves and carries the electromagnet 36, an adjustable stop 46 for the lever and a depending arm 34 for the lever pivot 33. The valve members 8, 24 which may be spring-pressed ball valves as shown or lift valves of conical or mushroom shape are opened by push rods 18, 31 respectively. The rod 31 contacts an adjustable abutment 45 on the lever 32 and the rod 18 has a shoulder 20 pressed against a corresponding shoulder 21 in a loose-fitting guide 19 by a spring 42 so that leakage of pressure fluid is averted when the valve 8 is open. The spring 42 abuts a collar 44 on an enlargement 41 of the rod 18,. and a washer 43 which eventually engages the enlargement 41. The casing 2 has an inlet 12 for pressure fluid and passages 14, 16 connected to the power cylinder and to the casing 3 respectively. The casing 3 has an inlet passage 28 connected by a pipe 17 to the passage 16, and an outlet 30 to the atmosphere. The electromagnet may be controlled by a manual switch or by an automatic switch, such as a rotating timing drum.. The apparatus may be employed to effect certain movements in washing and dyeing machines, or hydroextractors, or in metal and wood turning machines, or drilling machines. It may also be used to operate a belt shifter and in this case the magnet is controlled by a push-button.
Patent GB-1456112-A (GB)
Title: Windowed carton and package for sliced food product
IPC: B65D5/42
Filed: 1974-03-06
Abstract: 1456112 Cartons; packages OSCAR MAYER & CO Inc 6 March 1974 [15 March 1973] 10123/74 Headings B8P and B8C A shingled array of bacon slices 16 enclosed in an evacuated transparent wrapper 17 is packaged in a rhomboidal carton erected from a paperboard blank having a plurality of window openings in a side panel 34 which are covered by a semi-rigid, non-wrinkling, transparent plastics sheet 62 adhered to the side panel with an edge extending along the score line 50 at the junction of the side panel with a top panel 26. The window openings extend to the score line to interrupt the same, and the semi-rigid sheet 62 ensures that folding of the weakened side panel is confined to the score line. The blankis initially folded to a collapsed open-ended tubular form, the collapsed cartons being subsequently erected, filled and closed. The top panel is provided with a window opening 58, which is covered with a thin transparent film 58 and facilitates viewing of the edges of the bacon slices whilst the side windows facilitate viewing of the side of an end bacon slice.
Patent GB-527124-A (GB)
Title: Improvements in or relating to the production of magnesium from its compounds
IPC: C22B26/22
Filed: 1939-04-01
Abstract: 527,124. Magnesium. ALLOY PROCESSES, Ltd. (Armandias, L. S.). April 1, 1939, Nos. 10190 and 18932. Drawings to Specification. [Class 82 (i)] Magnesium is obtained by heating a mixture, which may be briquetted, of the magnesiumbearing material and a metallic reducing agent first to a temperature below the reduction temperature and thereafter, when it has been heated through, to the reduction temperature. The reducing agent may be aluminium or calcium, or their alloys. The magnesium may be distilled and condensed under reduced pressure which may be 0.5-10 mm. of mercury. If the original material is a carbonate such as magnesite or dolomite, the elimination of the carbon dioxide may be effected in the first stage. The two temperature ranges may be 600-700‹C. and about 1250‹C. respectively. The process may be carried out in plant comprising a series of interconnected gas-heated furnaces wherein heating gases which have heated a chamber to reduction temperature are utilized for the preliminary heating of another chamber, and the residual heat of the reduced charge is used to preheat air for the heating of other charges; or the plant may comprise electric heating means having two circuits arranged to heat the charges to the two required temperatures. Specification 412,417 is referred to.
Patent GB-373343-A (GB)
Title: Improvements in or relating to adhesive paper and the like
IPC: C09J7/32
Filed: 1931-04-07
Abstract: 373,343. Coated fabrics. MAJOR, H. V., 101, Devonshire Road, Forest Hill, London. April 7, 1931, No. 10234. Drawings to Specification. [Class 140.] Non-curling gummed paper or cloth is made by applying the gum in a multiplicity of very small but closely adjacent separated areas or lines, preferably by an intaglio printing process. The dimensions and spacing of the areas or lines are of the order of 40 to 60 to the inch.
Patent GB-113400-A (GB)
Title: Improvements in Rotary Electric Switches.
Inventor: BUCK ABTON ALBERT
IPC: H01H19/52
Filed: 1917-07-16
Abstract: 113,400. Buck, A. A. July 16, 1917. Switches, quick-action; regulating switches. - A rotary electric switch for controlling two resistance elements for heating cushions, carpets, bandages, &c. consists of a rotary switch member in the form of a ring a fitted with two screwed, oppositely arranged insulated contacts i of the spring-plunger type which serve each to bridge two adjacent pin contacts d on the fixed switch member and so to connect the supply through one or both resistances W<1>, W<2> according to the position of the rotary member. Pin contacts VII and VIII and pin contacts IV and VI are connected together and the circuit arrangements are as shown in Fig. 2.
Patent GB-1374917-A (GB)
Title: Digital electric data processing apparatus
IPC: G06F11/22
Filed: 1972-03-06
Abstract: 1374917 Data storage; error detection INTERNATIONAL BUSINESS MACHINES CORP 6 March 1972 [28 April 1971] 10273/72 Heading G4C A data processor has a store MPU having a loop write-to-read program which sends data to a recording unit 33 (without actually recording it), the data then being returned and compared with the original data to diagnose possible errors. The store MPU (e.g. tape, magnetic core or a read only micro-program) forms part of an l/o controller 32 connected to a CPU 30 and magnetic tape units 33. The program converts signals from CPU 30 into signals to a unit 33 without actually recording, returns the signals to controller 32 and thence to CPU 30 where they are compared with the original signals. Discrepancies indicate error and diagnostic programs are effected. The program in MPU can introduce excessive peak shift and frequency variation into the signals. Also mentioned are deskewing (means hardware or software), instruction counters, branching, interrupt, parity check, error correction, printout, and PE or NRZI coding.
Patent GB-1183483-A (GB)
Title: Improvements in Plastics Air-supported Structures
Inventor: LJUNGBO SVEN OLOF BIRGER
IPC: E04H15/22
Filed: 1967-03-03
Abstract: 1,183,483. Laminates. S.O.B. LJUNGBO. 3 March, 1967 [4 March, 1966], No. 10299/67. Heading B5N. [Also in Division E1] A laminate consists of a plastic foil, e.g. of polyvinyl chloride, and a fabric layer which is translucent and incorporates either threads coated or impregnated with light reflecting material or light reflecting particles. The light reflecting material may consist of a dressing comprising a polyacrylate latex and titanium white. Instead of polyacrylate latex, polyurethane, neoprene, chlorosulphonated polyethylene and a copolymer of vinyl acetate may be used. The fabric, which is preferably of large mesh and composed of nylon or polyester threads, may be coated or impregnated before or after lamination to the plastics foil. Alternatively, the threads of the fabric may be covered with light reflecting material, e.g. consist of metallized plastic threads. In a further embodiment the fabric is covered by reflecting particles such as reflecting grits or glass beads. The laminates are used in the construction of large air-supported plastic tents or halls.
Patent GB-255785-A (GB)
Title: An improved bee hive
IPC: A01K47/00
Filed: 1926-04-20
Abstract: 255,785. Sahlholdt, J. C. K. L. April 20,1926. Beehives. - A multiple beehive comprises a number of independent compartments 8 - - 11, each with its separate opening, so arranged that the vertical planes through the longitudinal middles 12 - - 15 of the compartments intersect to form a prismatic space. In the form shown the hive is in the form of a square and each compartment 8 - - 11 has an alighting board 20 and entrance 19. A double bottom board 5 is fitted and insulating walls 21. The frames 22 are suspended from strips 23 and in the upper part of the hive the compartments are kept separate by layered filling pieces 24 - - 27 each filling piece being provided on one side with a guide piece 28 for the adjacent piece.
Patent GB-557894-A (GB)
Title: Improvements in or relating to ticket punching andcounting or like apparatus.
Inventor: FREDERICK WEBB CHRISTOPHER
IPC: G07B11/03
Filed: 1942-07-24
Abstract: 557,894. Ticket punches. WEBB, C. F., and BELL PUNCH CO., Ltd. July 24, 1942, No. 10363. [Class 106 (iii)] A ticket-punching and counting device of the kind in which a manually operable means such as a trigger lever is provided for effecting the displacement of the punch slide and means is provided for obstructing and preventing downward movement of the latter when a ticket is absent from the punching position, is character ized in that the manually operable means is adapted to operate the punch slide through the intermediary of a stepwise displaceable unidirectional element or ratchet wheel which is utilized for the operation of the counter mechanism. When a ticket is placed in slot B, operation of trigger lever 18 rotates spring-pressed lever 22 through a friction clutch to step on a ratchet wheel 6 which depresses spring-pressed lever 8 to pull link 30 and depress crosshead 36. Lever 44 is normally in the inclined position shown in Fig. 2, and pin 47 abuts against block 48 to prevent appreciable movement of crosshead 36 and therefore of ratchet wheel 6. When a ticket is present, however, feeler 43 is lifted relatively to the punch sleeve 40 to rock lever 44 so that pin 47 enters aperture 49 and a punching stroke is completed, permitting' the ratchet wheel to drive a gear wheel 90, Fig. 3, to which is attached a Geneva wheel 76 driving a pinion 75 having part of each alternate tooth removed, so as to step on the wheels of a counter 54 of known type and type units 60 just before the end of each ratchet movement. In operation, link 30 pulls link 74 to rock carriage 64, carrying the type wheels, downwards and at the same time inking roller 80 is brought to bear on the type wheels. As lever 8 returns under spring action, carriage 64 and the type wheels rise smartly to print the serial number on the underside of the ticket.
Patent GB-290425-A (GB)
Title: Improvements in wire pointing machines
IPC: B24B19/16
Filed: 1927-04-19
Abstract: 290,425. Hall & Co., Ltd., W., and King, G. B. April 19, 1927. Wire, pointing.-In a wire-pointing machine such as that described in Specification 264,589 wherein the wires are fed laterally across an abrasive wheel 3 which shapes the points, the abrasive wheel is supplied with fluid, preferably suds, which is delivered from a reservoir 5 through one or more spray pipes 8. The wires are fed between a saddle 1 and rotary feed wheels 2 which are mounted on a rotary table 4 which is angularly adjustable about three axes. The reservoir may be provided with two delivery pipes 8 which have perforated horizontal portions 9, 9a respectively for delivering fluid to the wheel. The used fluid may be collected and returned by a pump to the reservoir through a pipe 11. Valves may be provided in the pipes 8 to control the flow. In order to prevent slip between the wires and the feed wheels, the saddle and the feed wheels may be covered with a band 12 of felt or other textile material or of plastic metal, such metal having preferably a knurled or fluted, or other roughened surface. The wires may be treated with paraffin before being inserted in the machine to remove any grease left after the drawing operation.
Patent GB-671118-A (GB)
Title: Method for recovering by crystallisation anhydrous sodium sulphate
IPC: D01F13/02
Filed: 1949-04-19
Abstract: <PICT:0671118/III/1> p  Anhydrous sodium sulphate is recovered from spinning baths such as those used in the manufacture of viscose-silk, by adjusting the ratio R of sodium sulphate to sulphuric acid in the solution to a value greater than 2.4 and then cooling the solution to effect crystallization of anhydrous sodium sulphate.  The adjustment may be effected by crystallizing a mixture of sodium sulphate and sodium hydrogen sulphate from one portion of the bath and then dissolving the mixed crystals in a second portion of the bath.  A spinning bath BF is strengthened with sulphuric acid to obtain a solution for which the ratio R is less than the value 2, and the solution is concentrated in evaporator 1 to get a liquor L2 which is as concentrated as possible without crystals separating out. The liquor is cooled in heat-exchanger 2 using another portion of the spinning bath as coolant, and a mixture of Na2SO4 and NaHSO4 crystallizes out.  The mother-liquor is cooled by water in heat-exchanger 3 to between 15 DEG  and 35 DEG C, and a second batch of Na2SO4-NaHSO4 crystallizes out.  The two lots of crystals are united and dried, and are then fed to saturator 5 where they are dissolved in boiling spinning bath, part of which comes from heat-exchanger 2 and part from heat-exchanger 7.  The solution leaving the saturator 5 has a value of R greater than 2.4, and is evaporated in evaporator 6 until a density of about 1.44 (at 89 DEG C) is reached.  The liquor is cooled to 30 DEG C in two stages -first in heat-exchanger 7, and then by water in heat-exchanger 8-and anhydrous sodium sulphate containing less than 3.5 per cent H2SO4 crystallizes out.  The salt is dried, mixed with sufficient anhydrous sodium carbonate to neutralize the acidity, and spread out on floors to cool naturally.  Sodium sulphate of 99 per cent purity is thereby obtained.  Specification 384,726 is referred to.
Patent GB-938433-A (GB)
Title: Improvements in or relating to variable pitch marine screw propellers
Inventor: CHADWICK JAMES ALEXANDER
IPC: B63H3/04
Filed: 1960-03-24
Abstract: 938,433. Controlling variable pitch propellers. SLACK & PARR (MARINE) Ltd. March 24, 1961 [March 24, 1960], No. 10398/60. Class 114. Reduction and control gear for a variable pitch marine propeller is contained in a housing 10 which is a single casting having a large aperture 79 in the top for ease of assembling the internal parts. Power is transmitted from a clutch 28 at the front of the housing, by way of a drive shaft 13, reduction gears 46, 47 and a hollow propeller shaft 12 to a coupling flange 15 at the rear of the housing. Pitch control is effected by sliding a control member 52 inside and axially of the hollow propeller shaft 12. Thrust bearings 56, 57 are secured to the control member by a nut 60 and a hollow cylindrical element 64 is attached to the thrust bearing by an internal flange 65. The element 64 has a threaded external portion 66 engaging the thread of a jacknut 69 bolted to the housing, and splines 68 engageable with internal splines 72 of a sleeve 73 concentric with the element. The sleeve 73 has fixed to it a gear 77 which engages a gear 78 on the control shaft 14, this shaft protruding through the rear end of the housing and being chain driven by a sprocket 44. Thus rotation of the sprocket 44 turns the element 64 which moves along the threaded portion of the jacknut 69 and moves the control member 52 axially of the propeller shaft 12.
Patent GB-527229-A (GB)
Title: Improvements in eyelash curlers
IPC: A45D2/48
Filed: 1939-04-04
Abstract: 527,229. Eyelash curlers. SKERRETT, H. N. (Kurlash Co., Inc.). April 4, 1939, No. 10496. [Class 131 ] A curler for eyelashes comprises two curved jaws 16, 17 mounted on shanks 1, 2 which are slidable relatively to one another under the control of finger loops 4, 11, and a pivoted toothed quadrant 12 engaging rack apertures 14 in the member 2. The jaw 17 is fitted with a metal strip 32 surrounded by a rubher or other yielding strip 31 on which the eyelash rests during the pressing operation of the jaw 16. A bracket 38 positions the device on the face. A stop 50 limits the relative movement of the members 1, 2.
Patent GB-1305493-A (GB)
IPC: C01B35/10
Filed: 1971-04-21
Abstract: 1305493 Borax SOC CHIMICA LARDERELLO SpA 21 April 1971 [21 April 1970] 10501/71 Heading C1A Aqueous sodium borate solution, from which borax can be crystallized directly in the penta- and/or decahydrate form, is produced from a source of Na 2 O in the form of sodium hydroxide, sodium carbonate and/or sodium bicarbonate and from a clear aqueous solution of ammonium borates resulting from the treatment of one or more boron-calcium minerals with ammonia and CO 2 . The solution of ammonium borates is introduced into a distilllation column in which it is decomposed by heat to produce a solution which is substantially free of ammonia. There is introduced into the upper part of the distillation column (i) the clear aqueous solution of ammonium borates and (ii) at least 50% of the quantity of Na 2 O which is stoichiometrically required to convert the ammonium borates into borax, the remaining portion of the Na 2 O which is stoichiometrically required being subsequently introduced, as sodium hydroxide, into the solution which is taken out at the bottom of the column whereby an aqueous solution of borax is obtained from which penta- and/or decahydrated borax can be crystallized directly. Preferably stage (ii) comprises 50 to 82% of the Na 2 O which is stoichiometrically required.
Patent GB-628031-A (GB)
Title: Improvements in mechanical stokers of the coking type
IPC: F23K3/00
Filed: 1947-04-19
Abstract: 628,031. Mechanical stokers. HODGKINSON (SALFORD), Ltd., J., and GUY, R. F. W. April 19, 1947, No. 10507. [Class 51 (i)] In a mechanical stoker of the coking type in which the distance between the coking plates a and c<SP>1</SP> is reduced from the normal 8-11 inches to 4-6 inches with the consequent fitting of an unusually small firedoor C hindering hand stoking, the ram box A is hingedly mounted on the stoker front carrying. with it the upper coking plate a, and, either the oscillating shaft E with a toothed quadrant engaging a rack on the ram A<SP>1</SP>, or hydraulic cylinders F for actuating said ram. The grate bars D may be oscillated hydraulically and the fuel bed 9-9 is advantageously reduced in depth.
Patent GB-982244-A (GB)
Title: Improvements in or relating to apparatus for contacting solids with gases
Inventor: KNOTT HAROLD
IPC: B01J8/36
Filed: 1961-03-22
Abstract: <PICT:0982244/C1/1> <PICT:0982244/C1/2> Uranium dioxide is produced by reducing uranium trioxide with hydrogen in an apparatus consisting of a porous bed-plate divided by transverse weir plates into a plurality of separate bed sections, an inlet for powdered solid and gas outlet at one end of the bed, an outlet for solids and gas inlet at the other end, a common chamber above the bed sections so that gas can flow from the gas inlet to the gas outlet through said common chamber and means for circulating the gas from the common chamber above the bed section through the porous bed-plate of the bed section from below, and back into the common chamber.  The Figures show porous bed plate 1 mounted in casing 2 with a lower manifold 5 divided into five separate compartments 13 by plates 14, and an upper manifold 3 divided above fine filter plate 12 into five compartments 15 by plates 16.  The bed plate 1 is divided into five sections 17 by transverse weir plates 18 leaving a common chamber 19. Heating elements 20 are provided below the bed plate 1 in the first three manifold compartments 13. The manifold compartments 15 are provided with gas outlet branches 25 which are connected (see Fig. 2, cross-sectional elevation along line II-II of Fig. 1) to two-way relay valve 28 which is connected via branches 39 to a blow-back manifold 40, provided with inlet branch 42 through which a purging gas may be admitted, and to gas circuit 27, gas cooler 29, rotary gas circulator driven by electric motor 31, and gas inlet branches 26 for manifold compartments 13. Figs. 1 and 3 show solids inlet 21 and outlet 23. The solids residence time may be varied by inclining the bed and varying the solids and gas infeed rates.